LDC Monitor Repair

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LDC Monitor RepairLCD Monitor Repair Brought to you by Jestine Yonghttp://www.ElectronicRepairGuide.comhttp://www.TestingElectronicComponents.com http://www.FindBurntResistorValue.com http://www.JestineYong.com You cannot give this E-book away for free. You do not have the rights to redistribute this E-book.Copyright@ All Rights ReservedWarning! This is a copyrighted material; no part of this guide may bereproduced or transmitted in any form whatsoever, electronic, ormechanical, including photocopying, recording, or transmitting by anyinformational storage or retrieval system without expressed written, datedand signed permission from the author. You cannot alter, change, orrepackage this document in any manner.Jestine Yong reserves the right to use the full force of the law in theprotection of his intellectual property including the contents, ideas, andexpressions contained herein. Be aware that eBay actively cooperates inclosing the account of copyright violators and assisting in the legalpursuit of violations.DISCLAIMER AND/OR LEGAL NOTICESThe reader is expressly warned to consider and adopt all safety precautionthat might be indicated by the activities herein and to avoid all potentialhazards. This E-book is for informational purposes only and the authordoes not accept any responsibilities or liabilities resulting from the use ofthis information. While every attempt has been made to verify theinformation provided here, the author cannot assume any responsibilityfor any loss, injury, errors, inaccuracies, omissions or inconveniencesustained by anyone resulting from this information. Most of the tips andsecrets given should only be carried out by suitably qualified electronicsengineers/technicians. Please be careful as all electrical equipment ispotentially dangerous when dismantled. Any perceived slights of policy,specific people or organizations are unintentional.If you have any information regarding the illegal reselling or duplicationof this E-book, please report it to jestineyong@electronicrepairguide.comfor your reward. 2 Dedication This book is dedicated to myloving wife Michelle and children Noah and Hannah, working partner William Hor, his beautiful wife Stephanie and their daughter Naomi 3 Content1. Understanding Liquid Crystal Display (LCD) Technology…………………………………………………… 62. Overview of LCD Monitor Circuits…………….……...........173. LCD Monitor Block Diagram……..…………………………204. Understanding the Power Supply Board………………........215. Understanding the Main Board/AD Board…………………286. Understanding the Inverter Board…………………………..337. Understanding the Start Circuit……………………………..448. Understanding the Backlights……………………………......499. Understanding the LCD Panel……………….........................5910. Understanding LCD Monitor Factory Service Mode……...6511. The Different Between Plasma and LCD...............................6912. Tools and Test Equipment…………………………………...7113. Secret of Opening LCD Monitor Cover…………………….7614. Understanding SMD Resistor Codes and Testing………….8115. Understanding SMD Capacitor Codes and Testing………..8516. Understanding SMD Transistor and Diode Codes and Testing………………………………………………………….9217. Understanding IC Codes in LCD Monitors…………………9618. Schottky Diode Application and Testing……………….........9919. Understanding Stuck and Dead Pixel in LCD Monitors…..105 420. About Cracked LCD Monitor Panels………………………10921. LCD Monitor Critical Voltage Test Points………...............11222. LCD Monitor Critical Waveform Test Points……………..12523. Troubleshooting Colour Problems………………….............13424. Troubleshooting White Display Problem…………………..13825. Troubleshooting Intermittent Vertical Line ………………14126. Troubleshooting One Horizontal Line ……………………..14527. How to Repair LCD Monitor Power Adapter...…………....14728. How to Repair No Power Problem in Dell E151FP………..15629. How to Repair No Display Symptom in Dell E152FPB……16230. How to Repair Display Shutdown Problem in Dell E153FPC………………………..……………………………..16631. How to Repair Power Blink Problem in Dell E173FPB.......17032. How to Repair Intermittent No Power in ACER AL511….17433. How to Repair No Display Problem in Acer FP558……….17734. How to Repair Black and White Horizontal Bar Across Screen Problem in Samsung 151V….........................………………..18135. How to Repair Dim Display Problem in Samsung 153V…..18436. How to Repair No Power Problem In Samsung 153V...…...18937. How to Repair No Power Problem in Samsung 510N……...19238. How to Repair No Display Problem in Samsung 713N…….19639. Recommended Resources…………………………………….19940. Conclusion……………………………………………………..200 ...